METHOD AND DEVICE FOR COLLECTING BASE PAPER FOR GYPSUM PLASTER BOARD

摘要

A method of collecting a base paper for a gypsum plaster board for continuously and efficiently collecting the base paper for the gypsum plaster board from gypsum plaster board waste materials including gypsum cores and the base paper for the gypsum plaster board adhered to the gypsum cores. The method comprises a step for crushing the gypsum plaster board waste materials, a step for separating gypsum and the base paper pieces for the gypsum plaster board from the crushed gypsum plaster board waste materials, and a step for washing the separated paper pieces by using a rotary drum type washing device to remove the gypsum adhered to the paper pieces.